Carbon quantum dots anchored TiO2 nanofibers: Effective photocatalyst for waste water treatment

Prem Singh Saud; Bishweshwar Pant; Al-Mahmnur Alam; Zafar Khan Ghouri; Mira Park; Hak-Yong Kim

doi:10.1016/j.ceramint.2015.06.007

Carbon quantum dots anchored TiO2 nanofibers: Effective photocatalyst for waste water treatment

Prem Singh Saud
, Bishweshwar Pant
, Al-Mahmnur Alam
, Zafar Khan Ghouri
, Mira Park
, Hak-Yong Kim

Research output: Contribution to journal › Article › peer-review

Abstract

Carbon quantum dots/titanium dioxide (CQDs/TiO2) composite nanofibers were prepared via a facile one step hydrothermal method. Characterization of the samples was carried out by Field-emission scanning electron microscopy (FE-SEM), Transmission electron microscopy (TEM), X-ray diffraction (XRD), Photoluminescence (PL), and Fourier transformed infrared (FT-IR) spectroscopy. Our study revealed that the photocatalytic efficiency (photodegradation of methylene blue) under visible light irradiation and antibacterial properties (against Escherichia coli) of as prepared composite nanofibers (CQDs/TiO2) are higher than pristine TiO2 nanofibers. The anchored CQDs can both enhance the light absorption and suppress photogenerated electron–hole׳s recombination which results in the enhancement of catalytic and antibacterial properties.

Original language	English
Pages (from-to)	11953-11959
Number of pages	7
Journal	Ceramics International
Volume	41
Issue number	9
DOIs	https://doi.org/10.1016/j.ceramint.2015.06.007
Publication status	Published - 7 Jun 2015
Externally published	Yes

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title = "Carbon quantum dots anchored TiO2 nanofibers: Effective photocatalyst for waste water treatment",

abstract = "Carbon quantum dots/titanium dioxide (CQDs/TiO2) composite nanofibers were prepared via a facile one step hydrothermal method. Characterization of the samples was carried out by Field-emission scanning electron microscopy (FE-SEM), Transmission electron microscopy (TEM), X-ray diffraction (XRD), Photoluminescence (PL), and Fourier transformed infrared (FT-IR) spectroscopy. Our study revealed that the photocatalytic efficiency (photodegradation of methylene blue) under visible light irradiation and antibacterial properties (against Escherichia coli) of as prepared composite nanofibers (CQDs/TiO2) are higher than pristine TiO2 nanofibers. The anchored CQDs can both enhance the light absorption and suppress photogenerated electron–hole׳s recombination which results in the enhancement of catalytic and antibacterial properties.",

author = "Saud, \{Prem Singh\} and Bishweshwar Pant and Al-Mahmnur Alam and Ghouri, \{Zafar Khan\} and Mira Park and Hak-Yong Kim",

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doi = "10.1016/j.ceramint.2015.06.007",

language = "English",

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pages = "11953--11959",

journal = "Ceramics International",

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TY - JOUR

T1 - Carbon quantum dots anchored TiO2 nanofibers: Effective photocatalyst for waste water treatment

AU - Saud, Prem Singh

AU - Pant, Bishweshwar

AU - Alam, Al-Mahmnur

AU - Ghouri, Zafar Khan

AU - Park, Mira

AU - Kim, Hak-Yong

PY - 2015/6/7

Y1 - 2015/6/7

N2 - Carbon quantum dots/titanium dioxide (CQDs/TiO2) composite nanofibers were prepared via a facile one step hydrothermal method. Characterization of the samples was carried out by Field-emission scanning electron microscopy (FE-SEM), Transmission electron microscopy (TEM), X-ray diffraction (XRD), Photoluminescence (PL), and Fourier transformed infrared (FT-IR) spectroscopy. Our study revealed that the photocatalytic efficiency (photodegradation of methylene blue) under visible light irradiation and antibacterial properties (against Escherichia coli) of as prepared composite nanofibers (CQDs/TiO2) are higher than pristine TiO2 nanofibers. The anchored CQDs can both enhance the light absorption and suppress photogenerated electron–hole׳s recombination which results in the enhancement of catalytic and antibacterial properties.

AB - Carbon quantum dots/titanium dioxide (CQDs/TiO2) composite nanofibers were prepared via a facile one step hydrothermal method. Characterization of the samples was carried out by Field-emission scanning electron microscopy (FE-SEM), Transmission electron microscopy (TEM), X-ray diffraction (XRD), Photoluminescence (PL), and Fourier transformed infrared (FT-IR) spectroscopy. Our study revealed that the photocatalytic efficiency (photodegradation of methylene blue) under visible light irradiation and antibacterial properties (against Escherichia coli) of as prepared composite nanofibers (CQDs/TiO2) are higher than pristine TiO2 nanofibers. The anchored CQDs can both enhance the light absorption and suppress photogenerated electron–hole׳s recombination which results in the enhancement of catalytic and antibacterial properties.

UR - https://www.mendeley.com/catalogue/35f7b5ed-3f5c-36f7-9123-1fbc9f27d725/

U2 - 10.1016/j.ceramint.2015.06.007

DO - 10.1016/j.ceramint.2015.06.007

M3 - Article

SN - 0272-8842

VL - 41

SP - 11953

EP - 11959

JO - Ceramics International

JF - Ceramics International

IS - 9

ER -

Carbon quantum dots anchored TiO2 nanofibers: Effective photocatalyst for waste water treatment

Abstract

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